Exam 2A Solutions

Exam 2A Solutions - &amp e&quot m y = sin 3...

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Mt100 - Calculus I Exam 2 Solutions Variation: A 1 . (8) a. 23.6 " 0.0 10 " 0 = 2.36 miles/minute b. 23.1 " 17.4 8 " 4 = 1.425 miles/minute c. Negative, since the distance is increasing at a decreasing rate. 2. (8) f ( x ) (in black ), " f ( x ) (in red ), " " f ( x ) (in green ).
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3 . (8) a. D (1) = 70 means that the train traveled 70 miles in the first hour. b. " D (2) = 40 means that 2 hours after leaving, the train is traveling at 40 miles per hour. 4 . (28) a. " f ( x ) = 8 x 7 # 28 x 3 + 8 x 2 # 56 x # 9 b. " g ( z ) = 4 z 3 sin z + z 4 cos z c. " h ( # ) = # 2 + 1 $ % & ( ) e # * e # + 2 # # 2 + 1 $ % & ( ) 2 d. " k
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Unformatted text preview: % & ( e. " m ( y ) = sin 3 ( ) # cos 3 ( ) # 3 5 (8) " 1 2 # $ % % & ( ( = " 1 2 # $ % % & ( ( h 1 2 # $ % % & ( ( + f 1 2 # $ % % & ( ( " 1 2 # $ % % & ( ( = ) 7 4 + * 1 ( ) ) 2 = * 2 " w ( # 1) = " g h ( # 1) ( ) $ " ( # 1) = " 1 ( ) $ ( # 1) = ( # 4) $ ( # 1) = 4...
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